Alphabetic Index · main term

Hypomenorrhea

FY2027Index: Hy /Alphabetic Index

Hypomenorrhea is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It is a cross-reference: the Index sends you to Oligomenorrhea, which lists N91.5. Confirm the code in the Tabular List before you report it.

Where the Index sends you

see Oligomenorrhea

N91.5BillableExcludes1Excludes2

Oligomenorrhea, unspecified

Open N91.5

First-level subterms 2

primaryN91.3
secondaryN91.4